Combodo iTop is a simple, web based IT Service Management tool. When displaying page Run queries Cross-site Scripting (XSS) are possible for scripts outside of script tags. This has been fixed in versions 2.7.9, 3.0.4, 3.1.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.
https://github.com/Combodo/iTop/security/advisories/GHSA-9mx6-pwpp-j3xx